Subscriber loudspeaker "Zarya".

Subscriber loudspeakers.DomesticSince 1950, the Zarya subscriber loudspeaker has been produced by the Irkutsk Relay Plant. "Zarya" is a standard subscriber loudspeaker designed to operate in a local broadcasting network with a line voltage of 15 or 30 volts. Rated power consumption 0.25 W. The range of reproducible sound frequencies is 150 ... 6000 Hz. Uneven frequency response - 20 dB. Average sound pressure 1.8 bar. Harmonic distortion 7%. Case dimensions 295x232x128 mm.